Received: 12-10-2021
Accepted: 05-07-2022
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Exploring Prevalenceof Mycoplasma hyorhinisInfection by PCR Method in Pigs Raised in Hung Yen Province
Keywords
M. hyorhinisinfection in pigs, prevalence, PCR, Hung Yen province
Abstract
The aim of this study was to determine the infection rate of Mycoplasma hyorhinisfrom suspected pigs in Khoai Chau, Van Giang, and Yen My districts of Hung Yen province.A total of 52 clinical samples of suspected pigs were used to determine the infection rate of M. hyorhinisby using the PCR method. The results showed that the infection rate of M. hyorhinisin 3 districts in Hung Yen province was relatively high at 26.92%, in which infection rate was recorded in Khoai Chau with 31.82%, Van Giang 25.00% and Yen My 21.43%. The rate of infection with M. hyorhinisin pigs at 5-10 weeks of age was the highest at 29.41% and was similar to pigs >10 weeks old 28.57%,while pigs <5 weeks oldshowed lowest infection rate 21.43%. Research also determined that the rate of co-infection of M. hyorhiniswith M. hyopneumoniaeaccounted for 28.57%, H. parasuis35.71% and S. suis21.43%. Comparison of macroscopic findings and PCR results showed that pigs infected with M. hyorhinisexhibited the main pathological feature with a severe fibrinous pericarditis.
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